Answer / amith

1)Both Internal Tables and strucures do not have enries
stored in data base.

2) Both of them do not have a primary key or a forieng key
relation ship with any table in the data base.

3) Unlike database tables both internal tables and
structures do not have technical settings.

Answer / bandivenkateswarlu

The diffeneces between the internal table and sturctres are
given below.

Internal tables: are tempareroy tables for the database
tables are using created at the runtime of the system. It
will allocate the memory of the system . but where as in the
sturctures are created in within in the progrm. it dont
allocate the space in the memory . But in internal tables
are created the runtime of the system.

The default internal table size is 8KB.

Answer / p.lokesh

Internal table is a temporary storage area that exits at
runtime of the program .
Structure also exists at runtime of the program.

Structute does not have allocate memory in the system.
where as Internal table allocate memory in the system.

Answer / kishore

Internal tables hold Multiple records of the same structure.

Where as Structure can hold only one record.

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